TY  - BOOK
AU  - Henderson,Thomas
TI  - Geochemistry of ground-water in two sandstone aquifer systems in the northern Great Plains in parts of Montana, Wyoming, North Dakota, and South Dakota
U1  - 551.9 
PY  - 1984///
CY  - Washington
PB  - United States Government Printing Office
KW  - Aquifers
KW  - Great Plains
KW  - Groundwater
KW  - Water chemistry
N1  - Bibliography: p. 69-72
ER  -